20860492068

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1937987}}^1$

素因数の和:1938033

約数の個数: 72

約数和(自身を含む): 59255921088

約数和(自身を除く): 38395429020

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 2691, 3588, 5382, 10764, 1937987, 3875974, 5813961, 7751948, 11627922, 17441883, 23255844, 25193831, 34883766, 44573701, 50387662, 69767532, 75581493, 89147402, 100775324, 133721103, 151162986, 178294804, 226744479, 267442206, 302325972, 401163309, 453488958, 534884412, 579458113, 802326618, 906977916, 1158916226, 1604653236, 1738374339, 2317832452, 3476748678, 5215123017, 6953497356, 10430246034, 20860492068]

約数ペア:

[(1, 20860492068), (2, 10430246034), (3, 6953497356), (4, 5215123017), (6, 3476748678), (9, 2317832452), (12, 1738374339), (13, 1604653236), (18, 1158916226), (23, 906977916), (26, 802326618), (36, 579458113), (39, 534884412), (46, 453488958), (52, 401163309), (69, 302325972), (78, 267442206), (92, 226744479), (117, 178294804), (138, 151162986), (156, 133721103), (207, 100775324), (234, 89147402), (276, 75581493), (299, 69767532), (414, 50387662), (468, 44573701), (598, 34883766), (828, 25193831), (897, 23255844), (1196, 17441883), (1794, 11627922), (2691, 7751948), (3588, 5813961), (5382, 3875974), (10764, 1937987)]